12946640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 35057280

約数和(自身を除く): 22110640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 379, 427, 488, 560, 610, 758, 854, 976, 1220, 1516, 1708, 1895, 2135, 2440, 2653, 3032, 3416, 3790, 4270, 4880, 5306, 6064, 6832, 7580, 8540, 10612, 13265, 15160, 17080, 21224, 23119, 26530, 30320, 34160, 42448, 46238, 53060, 92476, 106120, 115595, 161833, 184952, 212240, 231190, 323666, 369904, 462380, 647332, 809165, 924760, 1294664, 1618330, 1849520, 2589328, 3236660, 6473320, 12946640]

約数ペア:

[(1, 12946640), (2, 6473320), (4, 3236660), (5, 2589328), (7, 1849520), (8, 1618330), (10, 1294664), (14, 924760), (16, 809165), (20, 647332), (28, 462380), (35, 369904), (40, 323666), (56, 231190), (61, 212240), (70, 184952), (80, 161833), (112, 115595), (122, 106120), (140, 92476), (244, 53060), (280, 46238), (305, 42448), (379, 34160), (427, 30320), (488, 26530), (560, 23119), (610, 21224), (758, 17080), (854, 15160), (976, 13265), (1220, 10612), (1516, 8540), (1708, 7580), (1895, 6832), (2135, 6064), (2440, 5306), (2653, 4880), (3032, 4270), (3416, 3790)]